Return RemoteFileStreamWriter from remote mount point provider.

BUG=127754
TEST=none. the code is to be used for future cross-fs operations.


Review URL: https://chromiumcodereview.appspot.com/10539154

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@142128 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed